Added a GPIO to power on/off for external I2C sensor(s) (with LEDs)

Dependencies:   UniGraphic mbed vt100

18-Jun-2018 外部センサの電源オン・オフ機能は下位互換の為に無効になっていました。 この版で再度有効にしました。

Revision:
0:846e2321c637
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/edge_sensor/edge_temp.h	Fri Apr 13 04:19:23 2018 +0000
@@ -0,0 +1,63 @@
+#ifndef _EDGE_TEMP_H_
+#define _EDGE_TEMP_H_
+#include "mbed.h"
+#include "edge_sensor.h"
+#include "LM75B.h"
+#include "SMTC502AT.h"
+
+/**
+ * edge_temp edge_sensor to measre temperature sensors
+ */
+
+class edge_temp : public edge_sensor {
+public:
+/**
+ * constructor
+ * @param *temp1 LM75B temperature sensor object (with Color1)
+ * @param *temp2 SMTC502AT temperature sensor object (befor)
+ * @param *temp3 SMTC502AT temperature sensor object (after)
+ * @param *temp4 LM75B temperature sensor object (with Color2)
+ */
+    edge_temp(LM75B *temp1, SMTC502AT *temp2, SMTC502AT *temp3, LM75B *temp4) ;
+    
+/**
+ * destructor
+ */
+    ~edge_temp(void) ;
+    
+/**
+ * reset and clear the internal values
+ */
+    virtual void    reset(void) ;
+
+/**
+ * prepare for sampling 
+ */
+    virtual void    prepare(void) ;
+    
+/**
+ * sample measure and store sensor values
+ * @return 0: success non-0: failure
+ */
+    virtual int    sample(void) ;
+    
+/**
+ * deliver the values to the afero cloud
+ */
+    virtual int     deliver(void) ;
+    
+/**
+ * Show the value(s) in the display (TFT)
+ */
+    virtual void    show(void) ;
+
+private:
+    LM75B       *_temp1 ;
+    SMTC502AT   *_temp2 ;
+    SMTC502AT   *_temp3 ;
+    LM75B       *_temp4 ;
+    float       _ftemp[4] ;
+} ;
+
+extern float *current_temp ;
+#endif /* _EDGE_TEMP_H_ */
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